stokes flow – TechConnect Briefs

Dealing with Stiffness in Time-Domain Stokes Flow Simulation

Coelho C.P., White J.K., Silveira L.M., MIT - RLE, US

As microfluidic devices become more common and more elaborate, it becomes necessary to develop simulation tools that allow the efficient and yet accurate three dimensional time-domain analysis of the behavior of these devices. Detailed time [...]

Efficiency Improvements in Fast Stokes Solvers

De S., Wang X., White J.K., Massachusetts Institute of Technology, US

In this paper we present several techniques to improve the efficiency and accuracy of the precorrected FFT accelerated Fast Stokes solver based on a boundary element discretization of the integral form of the incompressible Stokes [...]

Time-Domain Reduced-Order Models of Lateral Viscous Damping Effects for 3-D Geometries

Yen P-C, Yang Y-J, National Taiwan University, TW

A methodology of generating time-domain reduced-order models of viscous lateral damping effects for microsystems is presented. A three-dimensional finite-difference-method (FDM) Stokes flow solver was developed and verified. The system matrices generate by the solver were [...]

Fast Fluid Analysis for Multibody Micromachined Devices

Wang X., Mucha P., White J.K., Massachusetts Institute of Technology, US

Recently developed fast integral equation methods for computing solutions to the Stokes' equation have proven to be a valuable tool for micro-machined device designers. The speed of these fast codes make it possible to simulate [...]

Efficiency and Accuracy Improvements for FastStokes, A Precorrected-FFT Accelerated 3-D Stokes Solver

Ye W., Kanapka J., Wang X., White J.K., Massachusetts Institute of Technology, US

In this paper we present several efficiency and accuracy improvement to the precorrected-FFT accelerated Stokes flow solver, FastStokes. Accuracy was improved by deriving analytical formulas for required integrals of Stokes equation Green sfunctions, cpu time [...]